@book{23985,
	author = {പി.എസ്. ഗോപിനാഥൻ നായർ},
	title = {ജനസംഖ്യാപഠനങ്ങൾ},
	publisher = {Kerala Bhasha Institute},
	year = {1990},
	address = {Trivandrum},
	edition = {1st Edition}
}